TY - JOUR A1 - Hoffmann, F. A1 - Janussen, D. A1 - Dröse, W. A1 - Arp, Gernot A1 - Reitner, Joachim T1 - Histological investigations of organisms with hard skeletons ; a case study on siliceous sponges Y1 - 2003 VL - 78 SP - 191 EP - 199 JF - Biotechnic & histochemistry DO - 10.1080/10520290310001613042 DO - 10.23689/fidgeo-2551 UR - http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/6864 ER -